MESON Chess Problem Database

Problem Display
PID: 156559 (1br4n/3B2QK/q3P3/r2N4/2RNkp2/1P6/1B6/1b1R4 w - - 0 1)

Vladimirov, Yakov Georgevich

2nd Highly Comm., Fizkultura i Sport, 1983

1br4n/3B2QK/q3P3/r2N4/2RNkp2/1P6/1B6/1b1R4

#2

10 + 8

15440 Ukroshyenie Shakhmatnogo Pegasa (Vladimirov, YG) 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5+
      • 2.Sc2#
  • Tries
    • 1.Qg6+?
      • 1...Kxd5
        • 2.Sc2#
      • 1...Ke5
        • 2.Sb5#
        • 2.Sf5#
      • 1...Sxg6!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qf5#
      • 1...Kxd5+
        • 2.Sc2#
      • 1...Ke5+
        • 2.Sf5#
      • 1...Qxe6
        • 2.Sc6#
      • 1...Rxd5
        • 2.Qe2#
      • 1...Rf8
        • 2.Sb5#
      • 1...Be5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);CHECK,S_FLIGHT,XS(F)::R(A)+S(E)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(b);P_PINQ(I),S_FLIGHT,XS(F)::R(A)+S(E)
      • Refutation
        • S(h);XQ(I)
  • Actual
    • Q(I);P_PINP(c)
    • Threat
      • QAB1(I)
    • Vars
      • K(b);CHECK,N_SPINP(c),S_FLIGHT,XS(F)::R(A)+S(E)
      • K(b);CHECK,N_SPINP(c),P-FLIGHT::B(B)+S(E)
      • Q(e);N_GUARD,XP(G)::R(D)+S(E)
      • R(d);SBLOCK,XS(F)::QAR2(I)
      • R(g);N_GUARD::R(D)+S(E)
      • B(f);SBLOCK::QAB1(I)
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